Diazabicyclo analogues of maraviroc: synthesis, modeling, NMR studies and antiviral activity

Luigi Legnani, D Colombo, A Venuti, C Pastori, L Lopalco, Lucio Toma, M Mori, G Grazioso, S Villa

Research output: Contribution to journalArticlepeer-review


Two diazabicyclo analogues of maraviroc, in which the azabicyclooctane moiety is replaced by diazabicyclooctane or diazabicyclononane, were synthesized and tested, through a viral neutralization assay, on a panel of six pseudoviruses. The diazabicyclooctane derivative maintained a significant infectivity reduction power, whereas the diazabicyclononane was less effective. Biological data were rationalized through a computational study that allowed the conformational preferences of the compounds to be determined and a correlation between the inhibitory activity, the bridge length of the bicycle, and the rotational barrier around dihedral angle τ7 to be hypothesized. A high-field NMR analysis supported the modeling results. © The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)422-433
Number of pages12
Issue number2
Publication statusPublished - 2017


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